Shikishima House is a Chiba-based prefab building company focused on design and construction of temporary offices and prefabricated structures around the Kanto region. Public company information indicates heavy and light steel prefab manufacturing, sales and rental, with items such as unit houses, study rooms, garages, guard booths and related site buildings.

It is most relevant for buyers needing practical small buildings, temporary commercial space or steel prefab units rather than catalogue residential homes.